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May 24, 2019 12:59
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| (gammapy-dev) Debanjans-MacBook-Pro:CTA debanjanbose$ ipython | |
| Python 3.7.0 | packaged by conda-forge | (default, Nov 12 2018, 12:34:36) | |
| Type 'copyright', 'credits' or 'license' for more information | |
| IPython 7.5.0 -- An enhanced Interactive Python. Type '?' for help. | |
| In [1]: from gammapy.data import DataStore | |
| In [2]: DataStore.from_events_files ("M82_events_18.fits") | |
| --------------------------------------------------------------------------- | |
| TypeError Traceback (most recent call last) | |
| <ipython-input-2-262488ac4bbb> in <module> | |
| ----> 1 DataStore.from_events_files ("M82_events_18.fits") | |
| ~/gammapy-dev/gammapy/gammapy/data/data_store.py in from_events_files(cls, paths) | |
| 188 data_store.obs_table.write("obs-index.fits.gz") | |
| 189 """ | |
| --> 190 return DataStoreMaker(paths).run() | |
| 191 | |
| 192 @staticmethod | |
| ~/gammapy-dev/gammapy/gammapy/data/data_store.py in __init__(self, paths) | |
| 401 def __init__(self, paths): | |
| 402 if isinstance(paths, (str, Path)): | |
| --> 403 raise TypeError("Need list of paths, not a single string or Path object.") | |
| 404 | |
| 405 self.paths = [make_path(path) for path in paths] | |
| TypeError: Need list of paths, not a single string or Path object. | |
| In [3]: DataStore.from_events_files (["M82_events_18.fits"]) | |
| Out[3]: <gammapy.data.data_store.DataStore at 0x11307c208> | |
| In [4]: d=DataStore.from_events_files (["M82_events_18.fits"]) | |
| In [5]: d.obs_table | |
| Out[5]: | |
| <ObservationTable length=1> | |
| OBS_ID RA_PNT DEC_PNT GLON_PNT GLAT_PNT ZEN_PNT ... OBJECT TELESCOP CALDB IRF EVENTS_FILENAME EVENT_COUNT | |
| deg deg deg deg deg ... | |
| int64 float64 float64 float64 float64 float64 ... str1 str3 str13 str13 str18 int64 | |
| ------ ------- ------- ------------------ ------------------ ------- ... ------ -------- ------------- ------------- ------------------ ----------- | |
| 1 148.97 69.679 141.40980733845007 40.567806671343114 0.0 ... CTA NOT AVAILABLE NOT AVAILABLE M82_events_18.fits 13664312 | |
| In [6]: d.hdu_table | |
| Out[6]: | |
| <HDUIndexTable length=6> | |
| HDU_TYPE HDU_CLASS HDU_NAME OBS_ID FILE_DIR FILE_NAME | |
| str6 str10 str21 int64 str47 str18 | |
| -------- ---------- --------------------- ------ ----------------------------------------------- ------------------ | |
| events events EVENTS 1 . M82_events_18.fits | |
| gti gti GTI 1 . M82_events_18.fits | |
| aeff aeff_2d EFFECTIVE AREA 1 $CALDB/data/CTA/NOT AVAILABLE/bcf/NOT AVAILABLE irf_file.fits | |
| edisp edisp_2d ENERGY DISPERSION 1 $CALDB/data/CTA/NOT AVAILABLE/bcf/NOT AVAILABLE irf_file.fits | |
| psf psf_3gauss POINT SPREAD FUNCTION 1 $CALDB/data/CTA/NOT AVAILABLE/bcf/NOT AVAILABLE irf_file.fits | |
| bkg bkg_3d BACKGROUND 1 $CALDB/data/CTA/NOT AVAILABLE/bcf/NOT AVAILABLE irf_file.fits | |
| In [7]: d.obs | |
| Out[7]: <bound method DataStore.obs of <gammapy.data.data_store.DataStore object at 0x11307c7b8>> | |
| In [8]: d.obs(1) | |
| Out[8]: <gammapy.data.observations.DataStoreObservation at 0x11346c8d0> | |
| In [9]: obs=d.obs(1) | |
| In [10]: obs.events | |
| Out[10]: <gammapy.data.event_list.EventList at 0x1130db630> | |
| In [11]: obs.psf | |
| --------------------------------------------------------------------------- | |
| FileNotFoundError Traceback (most recent call last) | |
| <ipython-input-11-02d00e5a608c> in <module> | |
| ----> 1 obs.psf | |
| ~/gammapy-dev/gammapy/gammapy/data/observations.py in psf(self) | |
| 128 def psf(self): | |
| 129 """Load point spread function object.""" | |
| --> 130 return self.load(hdu_type="psf") | |
| 131 | |
| 132 @property | |
| ~/gammapy-dev/gammapy/gammapy/data/observations.py in load(self, hdu_type, hdu_class) | |
| 93 """ | |
| 94 location = self.location(hdu_type=hdu_type, hdu_class=hdu_class) | |
| ---> 95 return location.load() | |
| 96 | |
| 97 @property | |
| ~/gammapy-dev/gammapy/gammapy/data/hdu_index_table.py in load(self) | |
| 98 from ..irf import EnergyDependentMultiGaussPSF | |
| 99 | |
| --> 100 return EnergyDependentMultiGaussPSF.read(filename, hdu=hdu) | |
| 101 elif hdu_class == "psf_king": | |
| 102 from ..irf import PSFKing | |
| ~/gammapy-dev/gammapy/gammapy/irf/psf_gauss.py in read(cls, filename, hdu) | |
| 122 """ | |
| 123 filename = make_path(filename) | |
| --> 124 with fits.open(str(filename), memmap=False) as hdulist: | |
| 125 psf = cls.from_fits(hdulist[hdu]) | |
| 126 | |
| ~/anaconda3/envs/gammapy-dev/lib/python3.7/site-packages/astropy/io/fits/hdu/hdulist.py in fitsopen(name, mode, memmap, save_backup, cache, lazy_load_hdus, **kwargs) | |
| 149 | |
| 150 return HDUList.fromfile(name, mode, memmap, save_backup, cache, | |
| --> 151 lazy_load_hdus, **kwargs) | |
| 152 | |
| 153 | |
| ~/anaconda3/envs/gammapy-dev/lib/python3.7/site-packages/astropy/io/fits/hdu/hdulist.py in fromfile(cls, fileobj, mode, memmap, save_backup, cache, lazy_load_hdus, **kwargs) | |
| 388 return cls._readfrom(fileobj=fileobj, mode=mode, memmap=memmap, | |
| 389 save_backup=save_backup, cache=cache, | |
| --> 390 lazy_load_hdus=lazy_load_hdus, **kwargs) | |
| 391 | |
| 392 @classmethod | |
| ~/anaconda3/envs/gammapy-dev/lib/python3.7/site-packages/astropy/io/fits/hdu/hdulist.py in _readfrom(cls, fileobj, data, mode, memmap, save_backup, cache, lazy_load_hdus, **kwargs) | |
| 1037 if not isinstance(fileobj, _File): | |
| 1038 # instantiate a FITS file object (ffo) | |
| -> 1039 fileobj = _File(fileobj, mode=mode, memmap=memmap, cache=cache) | |
| 1040 # The Astropy mode is determined by the _File initializer if the | |
| 1041 # supplied mode was None | |
| ~/anaconda3/envs/gammapy-dev/lib/python3.7/site-packages/astropy/utils/decorators.py in wrapper(*args, **kwargs) | |
| 519 kwargs[new_name[i]] = value | |
| 520 | |
| --> 521 return function(*args, **kwargs) | |
| 522 | |
| 523 return wrapper | |
| ~/anaconda3/envs/gammapy-dev/lib/python3.7/site-packages/astropy/io/fits/file.py in __init__(self, fileobj, mode, memmap, overwrite, cache) | |
| 176 self._open_fileobj(fileobj, mode, overwrite) | |
| 177 elif isinstance(fileobj, str): | |
| --> 178 self._open_filename(fileobj, mode, overwrite) | |
| 179 else: | |
| 180 self._open_filelike(fileobj, mode, overwrite) | |
| ~/anaconda3/envs/gammapy-dev/lib/python3.7/site-packages/astropy/io/fits/file.py in _open_filename(self, filename, mode, overwrite) | |
| 553 | |
| 554 if not self._try_read_compressed(self.name, magic, mode, ext=ext): | |
| --> 555 self._file = fileobj_open(self.name, IO_FITS_MODES[mode]) | |
| 556 self.close_on_error = True | |
| 557 | |
| ~/anaconda3/envs/gammapy-dev/lib/python3.7/site-packages/astropy/io/fits/util.py in fileobj_open(filename, mode) | |
| 386 """ | |
| 387 | |
| --> 388 return open(filename, mode, buffering=0) | |
| 389 | |
| 390 | |
| FileNotFoundError: [Errno 2] No such file or directory: '/Users/debanjanbose/fermi/ScienceTools-v11r5p3-fssc-20180124-x86_64-apple-darwin16.7.0/x86_64-apple-darwin16.7.0/refdata/fermi/caldb/CALDB/data/CTA/NOT AVAILABLE/bcf/NOT AVAILABLE/irf_file.fits' | |
| In [12]: |
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